1 The Scope of Application

B1 series product is a hydraulic electromagnetic circuit breaker which our company design and develop by adopting international advanced technology.The circuit breaker consists of shell,operating mechanism,contact arc extinguishing system and hydraulic solenoid tripping device and other parts.The circuit breaker is used in AC50Hz/60Hz,rated voltage DC80V or AC250V equipment network circuit.It is mainly used for a variety of equipment and lines to provide accurate and reliable short circuit and overload protection.

2 Basic parameters

Maximum voltage: 250VAC 50/60 Hz, 80VDC. Current Ratings: 1A to 40A. Auxiliary switch: SPDT,3A (0.5A)
125/250VAC, 3A 30VDC. Insulation resistance: at 500VDC, minimally 100 mega Ω. Dielectric strength: UL/CSA product, 1500V between the terminals, 1 minute under AC. Resistance, Impedance: Values from Line to Load Terminal-based on Series Trip Circuit Breaker.

Service life: The mechanic service life under rated current and voltage is 10,000 cycles (6 cycles of operation per minute), and the electric service life is 6,000 cycles.

Free trip: When overloading happens, trip has already been formed in the circuit breaker even if the handle of operating device is forced to be held on the position of ON.

Trip indication: When overloading happens, indicator of operating device handle shows the position of OFF. But, if it is half trip, the handle will be in the centre in the case of overloading.

Operating environment: -40℃ to +85℃;The altitude less than 2000 m.

Installation requirements: Do apply the torque of 1.4-1.7NM for #8-32 or M4 screws. Please reserve the space not less than 30mm in the direction of spray arc’s opening while installing the product.

Number of poles: 1 pole, 2 poles.

Weight: Approximately 30grams/pole

Agency Certifications: EN60934, UL1077, GB17701

Electrical: see table below.